She’s 92, but her muscles function like someone in their 20s, and she keeps breaking records: What’s her secret

At 92, Emma Maria Mazzenga defies age, breaking track records and captivating scientists. Her muscles resemble those of a much younger person, boasting endurance fibers of a 20 – year – old. Researchers attribute her exceptional fitness to a blend of her genetics and a mostly active lifestyle she is living.